Climate and monthly weather forecast
Germantown, WI

Weather in January

January, the same as December, in Germantown, Wisconsin, is a freezing cold winter month, with an average temperature varying between 25.2°F (-3.8°C) and 14.4°F (-9.8°C). With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 14.4°F (-9.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Germantown, Wisconsin, with an average temperature ranging between min 17.2°F (-8.2°C) and max 28°F (-2.2°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 28°F (-2.2°C). Weather in February »

Weather in March

March, the first month of the spring in Germantown, is a wintry month, with an average temperature ranging between max 39.4°F (4.1°C) and min 28.2°F (-2.1°C). In Germantown, the average high-temperature in March increases from a subzero cold 28°F (-2.2°C) in February to a wintry 39.4°F (4.1°C). Weather in March »

Weather in April

April in Germantown, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 50.2°F (10.1°C) and 37°F (2.8°C). In Germantown, the average high-temperature in April rises from a wintry 39.4°F (4.1°C) in March to a cool 50.2°F (10.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Germantown, Wisconsin, with an average temperature ranging between min 47.1°F (8.4°C) and max 62.1°F (16.7°C). In Germantown, the average high-temperature in May increases from a fresh 50.2°F (10.1°C) in April to a comfortable 62.1°F (16.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Germantown, Wisconsin, with an average temperature ranging between max 71.2°F (21.8°C) and min 56.3°F (13.5°C). In June, the average high-temperature rises from an enjoyable 62.1°F (16.7°C) in May to an agreeable 71.2°F (21.8°C). Weather in June »

Weather in July

July in Germantown, Wisconsin, is a moderately hot summer month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 63.1°F (17.3°C). With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Germantown, is also a moderately hot month, with an average temperature ranging between max 76.6°F (24.8°C) and min 61.9°F (16.6°C). In August, the average high-temperature is essentially the same as in July - a still warm 76.6°F (24.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Germantown, is also an agreeable month, with an average temperature varying between 55.4°F (13°C) and 70°F (21.1°C). In Germantown, Wisconsin, the average high-temperature in September slightly decreases from a warm 76.6°F (24.8°C) in August to an agreeable 70°F (21.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Germantown, Wisconsin, with an average temperature varying between 56.8°F (13.8°C) and 43.7°F (6.5°C). In Germantown, the average high-temperature in October drops from an agreeable 70°F (21.1°C) in September to a mild 56.8°F (13.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Germantown, Wisconsin, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 32.4°F (0.2°C). In Germantown, the average high-temperature in November decreases from a moderate 56.8°F (13.8°C) in October to a frosty 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter in Germantown, is still a freezing cold month, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 22.8°F (-5.1°C). In December, the average high-temperature drops from a chilly 43.3°F (6.3°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »
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FAQ

What is the coldest month in Germantown?

January is the coldest month in Germantown, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 14.4°F (-9.8°C).

What is the most humid month in Germantown?

January is the most humid month, with an average relative humidity of 87%.

How many days does it rain in Germantown?

In Germantown, Wisconsin, during the entire year, the rain falls for 139.2 days and collects up to 25.28" (642mm) of precipitation.

When does it snow in Germantown?

Months with snowfall are January through April, October through December.

When does it snow the most in Germantown?

January is the month with the most snowfall in Germantown. Snow falls for 12.6 days and accumulates 4.02" (102mm) of snow.

How many days does it snow in Germantown?

Throughout the year, in Germantown, Wisconsin, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.

What is the month with the least sunshine in Germantown?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

What are the months with the lowest UV index in Germantown?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Germantown.

What is the driest month in Germantown?

The month with the least rainfall is February, when the rain falls for 4.1 days and typically collects 1.02" (26mm) of precipitation.

When is Daylight Saving Time (DST) in Germantown?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Germantown, Wisconsin, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Germantown?

May is the month with the most rainfall. Rain falls for 17 days and accumulates 3.11" (79mm) of precipitation.

When it does not snow in Germantown?

In Germantown, Wisconsin, snow does not fall in May through September.

When are the longest days in Germantown?

The month with the longest days in Germantown is June, with an average of 15h and 20min of daylight.

What is the warmest month in Germantown?

The warmest month is July, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 63.1°F (17.3°C).

What month has the most sunshine in Germantown?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Germantown.

What is the month with the highest UV index in Germantown?

July is the month with the highest UV index in Germantown, with an average maximum UV index of 6.

What is the least humid month in Germantown?

October is the least humid month, with an average relative humidity of 76%.

What is the month with the shortest days in Germantown?

December has the shortest days of the year in Germantown, Wisconsin, with an average of 9h and 2min of daylight.

Average temperature
Germantown, WI

Average temperature - Germantown, WI

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure
Germantown, WI

Average pressure - Germantown, WI

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Germantown, WI

Average wind speed - Germantown, WI

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average rainfall
Germantown, WI

Average rainfall - Germantown, WI

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days
Germantown, WI

Average rainfall days - Germantown, WI

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall
Germantown, WI

Average snowfall - Germantown, WI

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Germantown, WI

Average snowfall days - Germantown, WI

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Germantown, WI

Average daylight / Average sunshine - Germantown, WI

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Germantown, WI

Average sunshine days - Germantown, WI

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average visibility
Germantown, WI

Average visibility - Germantown, WI

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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